You dont know BaldDumboRat?
Well she's the maker of the famous Derpy Lovestruck tumblr.
She has a derpy voice, she can draw like a boss, and she is streaming atm!
Link to tumblr of lovestruck derpy (Derpy loves doctor whooves)
http://lovestruck-derpy.tumblr.com/
Link to livestream:
http://www.livestream.com/thedoctorisout
Much fun!